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Uncover the conspiracy behind Thomas Becket's murder on 29 December 1170. Decipher clues hidden in the Cathedral to expose the truth that shook medieval Christendom.
📱 1 to 10 phones · 1 team per phone · Independent codes
On 29 December 1170, four knights entered Canterbury Cathedral and murdered Archbishop Thomas Becket in cold blood
You are a novice chronicler arriving in Canterbury in 1171, tasked with investigating the aftermath of a heinous crime.
You walk up the cobbled streets of Mercery Lane, pass
Walk in the footsteps of Thomas Becket, archbishop murdered on December 29, 1170 in his own cathedral by four knights of Henry II.
You're not just buying an escape game. You're carrying a living guide — historical anecdotes, forgotten legends, key monuments, hidden architecture — unfolding as you go.
At each stop, places ordinary guides miss — secret façades, sculpted crests, alleys steeped in history.
Every riddle is rooted in a real historical fact or local legend. You leave with dozens of stories to tell.
Learn to read buildings — flamboyant Gothic, Baroque, Art Deco — like a real art historian, while having fun.
Walk through the city like a novel's character — every alley becomes a stage, every square a theatre.
A voice walks with you at every step, tells the story of each place, reads clues, adds a cinematic feel.
Keep access to the guide & game for 1 year. Come back any time, share it with friends.
« You will not leave this city the way you entered it. »
Explore the city on foot solving puzzles based on real historical facts. No locked room — the city is your playground.
No app to download. Play directly from your browser. Guided step by step, at your own pace.
One purchase per phone is enough. Play with family, friends or as a couple — everyone participates.
Point your phone at the façade: a historical character appears and speaks to you in your language. Golden letters magically write themselves on the wall to reveal the puzzle answer.
Stuck? Progressive personalised hints. The character repeats the puzzle on demand — at your own pace.
French, English, German, Spanish, Italian + 27 other languages auto-translated by AI.
Places tied to your adventure — optional entries, totally up to you · per person
Canterbury Cathedral welcomes you through its forecourt where the echo of December 29, 1170 still resonates. This 277-meter cathedral, founded in 597 by Saint Augustine, was rebuilt after the 1174 fire that followed shortly after the murder. Thomas Becket, archbishop since 1162, former friend of Henry II who became his fiercest opponent, fell under the swords of four knights in the north transept. A UNESCO site since 1988, it preserves in its 12th-century Norman crypt the traces of this drama that transformed Canterbury into a major pilgrimage destination of medieval Europe.
Mercery Lane leads you to the heart of the mystery through its cobblestones worn by millions of pilgrims. This medieval alley, commercial center in the Middle Ages, already connected the cathedral to the city center when Geoffrey Chaucer made it the setting for his Canterbury Tales around 1387. The 14th-century timber-framed houses that still line this narrow passage housed merchants of religious souvenirs, the mercers who gave the street its name. Every stone of this pilgrimage path keeps the memory of crowds who came to venerate the martyr of 1170.
Christ Church Gate rises its 20 meters of late Gothic height like a jewel box around Becket's drama. Built between 1517 and 1521 under Henry VIII, this main entrance gate bears statues of English monarchs on its facade restored in 1986 after World War II bombings. Historical irony: Henry VIII, who had Becket's tomb destroyed in 1538 to erase the cult of the saint martyr, left his effigy adorning the very entrance to the crime scene. Pilgrims passed under this portal reciting prayers for the soul of the murdered archbishop.
The King's School, the world's oldest school in continuous use since 597, educated Christopher Marlowe between 1579 and 1584 in its 15th-century buildings around Green Court. This school linked to the cathedral since Saint Augustine saw the future playwright grow up who revolutionized English theater before Shakespeare. Marlowe, born in Canterbury in 1564, drew from the bloody history of his hometown the inspiration for his tragedies. The stone walls of this millennial institution still echo with Latin lessons where the story of martyr Becket was taught to young English gentlemen.
Your investigation in Canterbury reveals how a political murder of 1170 shaped England's religious identity. From the Norman Staircase with its 33 steps leading to the crypt to Dane John gardens on their Saxon mound fortified by Romans, each site keeps traces of this conflict between temporal and spiritual power. Thomas Becket, canonized in 1173, became England's patron saint until Henry VIII. His assassination in his own cathedral remains one of the most documented crimes of the Middle Ages, transforming Canterbury into an eternal symbol of Church resistance against royal power.
8 stages through the city
The gameplay: AR, camera, hidden clues
At each stop, open your phone camera: an augmented reality character appears on the façade and speaks your language. Hunt the clue — it materializes as golden letters on the real wall or floats in front of you. When you find it, the phone vibrates, an AR chest opens and reveals your answer fragment. 8 stops, 8 clues to find with the camera, 1 final code.
The stops on your route are a surprise. You'll discover them one by one, guided by your phone, starting from the meeting point.
One phone = one team. Pick the number at checkout (1 to 10).
Solo, or a group sharing the screen. One team, one code.
Family, couple, or 2-3 teams competing. Each phone has its own code and its own score.
Friends, bachelor/bachelorette, small office outing — each their own code, each plays at their own pace. Tiered pricing then €6 flat per phone from the 6th.
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Uncover the secret clauses of the Constitutions of Clarendon and their consequences.
Reconstruct Becket's final moments and the knights' motivations.
Elucidate the power struggle between Henry II and the medieval Church.
Untangle the threads of a royal and ecclesiastical conspiracy.
In the footsteps of the regicide knights and the martyr of Canterbury.
OddballTrip combines gamified play, augmented reality and AI. All our competitors deliver 1 or 2 of these angles. We deliver all 5.
A golden chest floats in front of the monument. Tap → opening animation → reveals a secret message.
Point your phone at the façade: a knight, witch, monk, sailor, detective or ghost appears full-screen and speaks to you in your language with their dedicated ElevenLabs voice (each character has their own unique voice) — your living guide.
At the puzzle climax, golden letters magically write themselves on the real wall — that's the puzzle answer. An unforgettable visual effect.
Every puzzle available as text AND voice-over: read at your own pace or listen eyes-free while walking. Great in groups and for accessibility.
A mini-radar shows the target even behind you, and the phone vibrates when you aim in the right direction.
Every puzzle weaves in real historical facts (architecture, era, anecdotes). You learn by playing — like a gamified audioguide.
3 levels of AI-generated help: vibe → where to look → answer format. You're never stuck.
At the end of the game, capture a selfie with OddballTrip banner + mascot, shareable on Instagram, TikTok.
PWA technology: open the link, it plays in your browser. Same quality as an app, no App Store hassle.
No, never. You get a link, you click, it plays in your browser. That's the point of a PWA: same as an app, without the hassle.
GPS yes (handled by your phone). Maps yes (tiles cached). AI and hints need an intermittent 4G connection.
1 h 30 to 2 h 30 depending on your pace. The timer runs but only for the leaderboard — you play at your own tempo.
You get 3 levels of hints per puzzle (increasing penalty). If truly stuck, you can skip the step (45-min penalty but you keep going).
From 12 without an adult, from 6 with an adult reading puzzles. Works for families, couples, friend groups, companies.
Pre-register or contact us — we'll email you as soon as your city is live.
Point your phone at the façade: a historical character appears full-screen and speaks to you in your language. At the puzzle climax, golden letters magically write themselves on the real wall — that's your answer. After each puzzle solved, a treasure chest floats in front of you. Seeing is believing.
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Walk in the footsteps of Thomas Becket, archbishop murdered on December 29, 1170 in his own cathedral by four knights of Henry II.
1 purchase = 1 phone. Play several on the same device.
No calendar booking. Code sent immediately by email.
🔒Secure payment · Code in 5 min · Free cancellation
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More ideas for self-guided walking tours, scavenger hunts & city quests in the same city

Decipher the secret conflict between Augustine's Christian mission and the pagan resistance that nearly destroyed his faith in 597 AD. Uncover the truth hidden in Canterbury's oldest stones.

Uncover the dark secrets and hidden rivalries among Chaucer's pilgrims as they journeyed to Becket's shrine. Decipher clues at medieval sites to expose a conspiracy that threatened their pilgrimage.
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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
12£. Reconstitution animée des Contes de Canterbury de Chaucer avec personnages en costume.
8£. Mosaïques romaines découvertes sous la ville moderne, vestiges des thermes du Ier siècle.
15£. Bières artisanales du Kent dans les pubs historiques de Canterbury, tradition brassicole depuis le XIIe siècle.
10£. Parcours dans Canterbury hanté, légendes autour du spectre de Thomas Becket et des moines martyrs.
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